package com.lagou.common;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.ByteToMessageDecoder;

import java.util.List;

public class RpcDecoder extends ByteToMessageDecoder {

    private Class<?> clazz;

    private Serializer serializer;

    public RpcDecoder(Class<?> clazz, Serializer serializer) {

        this.clazz = clazz;

        this.serializer = serializer;

    }

    protected void decode(ChannelHandlerContext channelHandlerContext, ByteBuf byteBuf, List<Object> list) throws Exception {
            int length = byteBuf.readableBytes();
            byte[] array = new byte[length];
            byteBuf.readBytes(array);
            Object deserialize = serializer.deserialize(clazz, array);
            list.add(deserialize);
    }
}